“海市蜃楼”!岳阳围观群众惊喜大叫 真相却是...(图/视)
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视频中雾气遮挡的楼盘
未被雾气遮挡的楼盘
华声在线1月14日讯(记者 徐典波
徐亚平)今天下午,岳阳网友通过微信朋友圈和网络上传一个岳阳市南湖新区千亩湖出现“海市蜃楼”的视频,引起很多网友的关注与疯转。记者通过岳阳市气象局副局长李东阳确认,“海市蜃楼”现象是假的,网传视频中若隐若现的楼宇,其实是辐射雾中的当地某个楼盘的高楼。
岳阳此次的“海市蜃楼”假象怎么解释?李东阳称,此次是辐射雾造成的现象。辐射雾指由于地表辐射冷却作用使地面气层水汽凝结而形成的雾,并不是指这种雾具有辐射性。辐射雾在冬季、初春和秋末等季节比较常见。主要出现在晴朗、微风、近地面、水汽比较充沛的夜间或早晨。随着太阳的升高,地面温度上升,辐射雾也会立即蒸发消散。
2016年4月8日,网络也曾传出岳阳市湖滨大道出现10多秒钟的“海市蜃楼”。“海市蜃楼”会不会真的出现在岳阳?李东阳介绍,海市蜃楼是光在密度分布不均匀的空气中传播时发生全反射而产生的。一般发生在平静的海面、大江江面、湖面、雪原、沙漠或戈壁等地方,而在城市上空发生海市蜃楼的时候很少,且这种现象只有在空气非常透明时才可能发生。
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